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form without permission from the publisher. For permissions contact:

harshnuhelp@gmail.com.

You may use it for educational purposes personally.

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1. Model Name: Smart Home Automation

System

Working Principle: The model uses Arduino and various sensors (motion,

temperature, light) to automate home appliances and devices.

Materials Required: Arduino Uno, motion sensor, temperature sensor,

light sensor, LED lights, small DC motor, and a breadboard.

DIY Making Procedure:

a. Connect the motion sensor, temperature sensor, and light sensor to

the Arduino Uno.

b. Program the Arduino to detect changes in motion, temperature, and

light levels.

c. Use the data from the sensors to control LED lights and a small DC

motor, simulating the automation of home devices.

Why Is The Model Useful: This model introduces students to the concept

of the Internet of Things (IoT) and demonstrates how technology can

enhance home automation for energy efficiency and convenience.

Tips for Presentation: Explain how smart home automation can lead to

energy savings and improved comfort in daily living.

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2. Model Name: Traffic Light Controller

Working Principle: The model uses Arduino and LEDs to simulate a

traffic light system with automatic control.

Materials Required: Arduino Uno, LEDs (Red, Yellow, Green),

breadboard, and jumper wires.

DIY Making Procedure:

a. Connect the LEDs to the Arduino Uno, representing the red, yellow,

and green lights of a traffic signal.

b. Program the Arduino to control the LEDs in a sequence to simulate

traffic light behavior.

c. Use a button or motion sensor to trigger the traffic light sequence for

pedestrian crossing.

Why Is The Model Useful: This model teaches students about traffic

control systems and how technology can improve traffic flow and safety.

Tips for Presentation: Discuss the importance of traffic management and

how smart traffic light systems can reduce congestion and accidents.

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3. Model Name: Voice-Controlled Home

Automation

Working Principle: The model uses Arduino and a voice recognition

module to control home appliances with voice commands.

Materials Required: Arduino Uno, voice recognition module (e.g., EasyVR

Shield), relay module, LED lights, and a breadboard.

DIY Making Procedure:

a. Connect the voice recognition module and relay module to the Arduino

Uno.

b. Program the Arduino to recognize specific voice commands (e.g.,

"Lights On," "Lights Off") and trigger the relay to control the LED lights

accordingly.

c. Use voice commands to control the LEDs and demonstrate voice-

controlled home automation.

Why Is The Model Useful: This model introduces students to voice

recognition technology and its potential application in home automation

for enhanced accessibility and convenience.

Tips for Presentation: Explain how voice-controlled systems can benefit

people with mobility or visual impairments.

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4. Model Name: Automatic Plant Watering

System

Working Principle: The model uses Arduino and soil moisture sensors to

automate plant watering based on soil moisture levels.

Materials Required: Arduino Uno, soil moisture sensor, water pump,

small water container, and a breadboard.

DIY Making Procedure:

a. Insert the soil moisture sensor into the plant's soil.

b. Connect the sensor to the Arduino Uno and a water pump.

c. Program the Arduino to read the soil moisture data and activate the

water pump when the soil is dry.

d. Observe the water pump watering the plant when the soil moisture

drops below a certain threshold.

Why Is The Model Useful: This model demonstrates how technology can

aid in efficient plant care and water conservation.

Tips for Presentation: Discuss the benefits of automated plant watering

systems in agriculture and gardening.

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5. Model Name: Obstacle-Avoiding Robot

Car

Working Principle: The model uses Arduino, ultrasonic sensors, and

motors to build a robot car that can navigate and avoid obstacles

autonomously.

Materials Required: Arduino Uno, ultrasonic sensors (HC-SR04), motor

driver, DC motors, wheels, and a chassis.

DIY Making Procedure:

a. Connect the ultrasonic sensors and motor driver to the Arduino Uno.

b. Attach the sensors to the front of the robot car to detect obstacles.

c. Program the Arduino to use the sensor data to control the motors for

obstacle avoidance.

d. Test the robot car by placing obstacles in its path and observe how it

avoids them.

Why Is The Model Useful: This model introduces students to robotics

and autonomous navigation, showcasing how robots can adapt to their

environment.

Tips for Presentation: Discuss the applications of obstacle-avoiding robots

in industries like automation and exploration.

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6. Model Name: Weather Station with IoT

Integration

Working Principle: The model uses Arduino, sensors (temperature,

humidity, and pressure), and an IoT module to collect weather data and

send it to a cloud server.

Materials Required: Arduino Uno, DHT11 (temperature and humidity

sensor), BMP180 (pressure sensor), ESP8266 (WiFi module), and a

breadboard.

DIY Making Procedure:

a. Connect the DHT11 and BMP180 sensors to the Arduino Uno.

b. Attach the ESP8266 module to the Arduino for IoT communication.

c. Program the Arduino to read data from the sensors and send it to a

cloud server using IoT protocols (e.g., MQTT).

d. Visualize the weather data on a cloud platform or a web-based

dashboard.

Why Is The Model Useful: This model introduces students to IoT and its

application in weather monitoring for real-time data collection.

Tips for Presentation: Discuss the importance of weather monitoring and

how IoT-based weather stations can contribute to accurate weather

predictions.

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7. Model Name: Smart Home Security

System

Working Principle: The model uses Arduino, PIR motion sensors, and a

camera module to create a DIY smart home security system.

Materials Required: Arduino Uno, PIR motion sensors, camera module

(e.g., Raspberry Pi Camera), LEDs, and a breadboard.

DIY Making Procedure:

a. Connect the PIR motion sensors and camera module to the Arduino

Uno.

b. Program the Arduino to detect motion using the PIR sensors and

trigger the camera to capture images or videos.

c. Use LEDs to indicate the system's status (armed/disarmed).

Why Is The Model Useful: This model demonstrates how technology can

be used for home security, allowing students to explore the basics of

surveillance systems.

Tips for Presentation: Emphasize the importance of home security and

privacy considerations when using smart surveillance systems.

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8. Model Name: Voice-Activated Home

Assistant

Working Principle: The model uses Arduino and a voice recognition

module to create a DIY voice-activated assistant for controlling smart

devices.

Materials Required: Arduino Uno, voice recognition module (e.g., EasyVR

Shield), relay module, and smart home devices (e.g., smart bulbs, smart

plugs).

DIY Making Procedure:

a. Connect the voice recognition module and relay module to the Arduino

Uno.

b. Program the Arduino to recognize voice commands for controlling

smart devices.

c. Use voice commands to turn on/off the smart devices connected via the

relay module.

Why Is The Model Useful: This model explores the potential of voice-

activated assistants in smart homes, enhancing accessibility and

convenience.

Tips for Presentation: Discuss the integration of voice assistants with IoT

devices and their role in home automation.

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9. Model Name: Mini Wind Turbine with

LED Display

Working Principle: The model uses Arduino, a small wind turbine, and

LEDs to visualize wind energy generation.

Materials Required: Arduino Uno, small wind turbine (e.g., mini DC

generator), LEDs, and a breadboard.

DIY Making Procedure:

a. Connect the wind turbine and LEDs to the Arduino Uno.

b. Program the Arduino to read the wind turbine's voltage output and

control the LEDs accordingly.

c. Observe the LED display lighting up as the wind turbine generates

electricity.

Why Is The Model Useful: This model demonstrates the concept of wind

energy generation and its potential to power LED displays.

Tips for Presentation: Discuss the advantages of wind energy and its role

in renewable energy sources.

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10. Model Name: Arduino Game Console

Working Principle: The model uses Arduino and a small display to create

a simple game console.

Materials Required: Arduino Uno, OLED display, buttons, and a

breadboard.

DIY Making Procedure:

a. Connect the OLED display and buttons to the Arduino Uno.

b. Program the Arduino to create a simple game (e.g., Snake, Pong, or

Memory Game).

c. Use the buttons to control the game and display the game graphics on

the OLED screen.

Why Is The Model Useful: This model introduces students to basic game

development and programming with Arduino.

Tips for Presentation: Explain the significance of Arduino in prototyping

and DIY electronics projects.

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When presenting the models:

1. Provide a brief introduction to the tech concepts involved in each

project.

2. Use clear diagrams and visual aids to explain the circuit connections and

components.

3. Showcase the practical applications and real-world relevance of the

models.

4. Encourage hands-on interactions with the models during the

presentation.

5. Discuss potential future improvements or extensions for each project.

These tech-related science model DIY projects will not only expand

students' knowledge of technology but also encourage them to explore

innovative solutions for real-world challenges. Good luck with your

presentations!